   Chapter 14, Problem 12RE Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
ISBN: 9781305108042

Solutions

Chapter
Section Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
ISBN: 9781305108042
Textbook Problem

In Problems 7-12, find z x  and  z y . 12.   z = e ln x y

To determine

To calculate: The partial derivatives zx and zy of the function z=elnxy.

Explanation

Given Information:

The provided function is z=elnxy.

Formula used:

For a function z(x,y), the partial derivative of z with respect to x is calculated by taking the derivative of z(x,y) with respect to x and keeping the other variable y constant. The partial derivative of z with respect to x is denoted by zx and the partial derivative of z with respect to y is denoted by zy.

Constant function rule for a constant c is such that, if f(x)=c then f(x)=0.

Coefficient rule for a constant c is such that, if f(x)=cu(x), where u(x) is a differentiable function of x, then f(x)=cu(x).

Calculation:

Consider the provided function, z=elnxy

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